Office biophilia: the Kytom method to integrate plants, light and natural materials in 12 weeks on average. Budget, ROI and measured field feedback.
"We want something alive"
A vacant workstation costs between 8000 and 12000 euros per month including overheads (CBRE 2023). When premises look dull, turnover climbs by 15%, and each failed recruitment adds 6 months of lost productivity. Poorly managed greenery becomes a disposable consumable, not a design asset.
Environments poor in nature are associated with a 23% increase in cognitive fatigue. In open-plan spaces, 41% of employees report daily stress. Without thoughtful biophilia, short sick leaves rise and concentration drops, particularly for analytical and creative functions.
Real estate certification frameworks now include explicit biophilic criteria (air quality, natural light, presence of greenery). A real estate department that delivers offices without this dimension loses 2 to 4 points in ESG rating, and weakens its employer brand against the 76% of candidates sensitive to the work environment.
Kytom approaches biophilia as an integrated system, not as decoration. Since 2006, our 11 agencies have rolled out projects across more than 1200 office sites in France and Spain. Our approach combines five levers: living greenery calibrated by exposure, natural materials (certified wood, linen, cork), natural light maximised at 80% of workstations, organic shapes in furniture, and preserved views of the outdoors. We work with Vitra and Herman Miller references for seating, and systematically include a 36-month plant maintenance contract. Each project is framed around environmental quality and workplace wellbeing criteria, with a dedicated biophilia lead within the project team.
Audit of the existing situation: natural light measurement with a lux meter, hygrometry readings, mapping of outdoor views, interviews with 15 to 20 employees. Deliverable: a 25-page report identifying priority zones and a baseline biophilic score rated out of 100.
Framing workshop with general management, HR and facility manager to define the level of ambition, the target budget (typically 80 to 150 euros excl. VAT/sq m dedicated to biophilia) and the success indicators. Deliverable: a signed biophilic charter, aligned with the employer brand.
3D plans, plant selection by a botanist, choice of bio-based materials, integration into workflows. Each species is calibrated according to exposure (Pothos, Kentia, Monstera, Sansevieria). Deliverable: a detailed design dossier with material boards and an automated watering plan.
Coordinated installation in 12 weeks on average, training of internal teams (half a day), implementation of the monthly maintenance contract. Deliverable: an operational site with a 95% plant survival guarantee in the first year, and a quarterly review of the biophilic score.
"Teams have stopped asking to work from home on Tuesdays. The greenery changed the perception of the place, and our shortlisted candidates now accept 90% of the time after visiting."
No. Biophilia brings together 5 dimensions: living greenery, natural light, bio-based materials, organic shapes and views of the outdoors. Plants alone account for barely 20% of the perceived impact.
Allow 80,000 to 150,000 euros excl. VAT for a complete biophilic approach across 1000 sq m, including 3 years of plant maintenance. The greenery item alone represents around 25 to 35 euros excl. VAT/sq m, the rest covers materials and furniture.
Three levers: selection adapted to actual exposure (lux meter), automated watering system or reservoir, monthly maintenance contract by a botanist. With this trio, the survival rate exceeds 95% at 12 months across our 1200+ referenced projects.
Yes, by prioritising 2 or 3 high-traffic zones (reception, cafeteria, meeting rooms). A targeted approach at 30 euros excl. VAT/sq m already generates most of the perceived benefit on projects between 400 and 600 sq m.
The most widely used frameworks are mainly Mind and Nourishment along with the environmental certifications of sustainable buildings. The French tertiary decree requires office buildings over 1000 sq m to reduce their energy consumption by 40% by 2030, and the ESG criteria of real estate investors now incorporate it into their assessment grids.
12 weeks on average, from diagnosis to delivery, on a surface of 850 sq m. The diagnosis takes 2 weeks, the design 4 weeks, the execution 6 weeks, with a plant phase calibrated to the premises' re-occupation schedule.